Thread: 55.2-59 700R4 Source for '56 GMC?
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Old 03-10-2019, 02:14 AM   #7
mr48chev
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Location: Toppenish, WA
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Re: 700R4 Source for '56 GMC?

I don't believe they ever made a B-O-P pattern 700 r4 case. If you have to have that trans rather than a 200R4 buy the thick adapter plate with the spacers for the converter snout and converer bolts. I've used both and the thin plates with the nuts welded to them leave a lot to be desired.

They run the 200R4 behind some real stout engines though.
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